Question

The cost of 1.5 kg potatoes is ` 15.75. then 2.20 kg potatoes will cost

Can anybody tell me how to do this ​

Answer 1

2.20 Kg will cost 23.1

Explanation:

one way is to use the unitary method

that is find the cost of 1 Kg then multiply by 2.20

given

1.5 Kg cost 15.75 , then cost of

1 Kg = 15.75 ÷ 1.5 = 10.5 ← cost of 1 Kg , then

2.20 Kg = 10.5 × 2.20 = 23.1

the cost of 2.20 Kg will be 23.1